Seagate

Seagate ST25000NM000E 25TB 3.5in HM-SMR enterprise HDD

Name: Seagate ST25000NM000E 25TB 3.5in HM-SMR enterprise HDD
Brand: Seagate
SKU: ST25000NM000E
Price: 998 USD
Availability: InStock

MPN: ST25000NM000E·By: Seagate

Part #:ST25000NM000ERefurbishedIn stock

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$998.00$39.92 per TB

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Seagate ST25000NM000E 25TB 3.5in HM-SMR enterprise HDD-

$998.00

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Product overview

The Seagate Exos X26z ST25000NM000E is an enterprise hard drive designed for high-capacity deployments that require host-managed shingled magnetic recording. This 3.5-inch drive delivers 25TB of storage in a single HDD, supporting environments that prioritize dense capacity in standardized large form factor bays. Classified at the enterprise product level, the Exos X26z is intended for managed infrastructures that can work with host-managed SMR, making it suitable for controlled, software-defined storage stacks. As part of the Exos X26z family from Seagate, it aligns with data center and large-scale storage usage where predictable, high-capacity HDD behavior is required. The drive falls under the 3.5-inch SATA enterprise HDD category, specifically the 25TB 7.2K RPM host-managed SMR segment, giving procurement teams a clearly defined option when standard enterprise form factor and very high capacity per drive are key selection criteria.

25TB capacity in a single enterprise HDD
Standard 3.5-inch form factor for LFF bays
Host-managed SMR recording technology
Seagate Exos X26z enterprise series
Designed for enterprise product level use
Fits 25TB 7.2K HM-SMR SATA enterprise segment

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Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	ST25000NM000E
Brand	Seagate
Condition	Refurbished
Model	ST25000NM000E
Series	Exos X26z
Capacity	25TB
Drive Type	Zoned Storage Device; Host-Managed SMR (HM-SMR)
Application	Enterprise datacenter; hyperscale; cloud storage with host-managed zoned storage
Drive Class	Enterprise; Exos X class
Form Factor	3.5-inch
Product Line	Exos Xz
Product Type	Enterprise hard drive
Helium Sealed	Yes
Sector Format	512e; 4Kn fast format
Spindle Speed	7200 RPM
FastFormat Default	512e default configuration
Workload Rate Limit	550 TB/year
PowerBalance Feature	PowerBalance optimizes power-to-performance ratio
Sequential 128K Read (benchmark)	274 MB/s (StorageReview test)
Sequential 128K Write (benchmark)	270 MB/s (StorageReview test)

Performance

Sustained Transfer Rate OD	260 MB/s; 248 MiB/s
Random 4K Read IOPS (QD16 WCD)	167 IOPS
Random 4K Read IOPS (benchmark)	2121 IOPS (4T/32Q, StorageReview test)
Random 4K Write IOPS (QD16 WCD)	320 IOPS
Random 4K Write IOPS (benchmark)	2 IOPS total before failing (4T/32Q, StorageReview test)
Mean Time Between Failures (MTBF)	2.5 million hours

Networking Ports & Interfaces

Interface	SATA 6Gb/s
Host Interface	SATA 6Gb/s
Power Management Technology	Enterprise power management with PowerBalance

Best for

High-density storage
Use the 25TB 3.5-inch enterprise hard drive to maximize capacity per slot in systems that accept large form factor drives and support host-managed SMR.
Enterprise data repositories
Suitable for enterprise environments that need a 25TB Exos X26z drive in a standard 3.5-inch form factor for large-scale data retention.
Managed SMR storage stacks
Designed for infrastructures that can integrate host-managed SMR behavior into their storage software and workflows.
Capacity-focused archives
A fit for archive or cold data tiers where a 25TB enterprise HDD in 3.5-inch format helps consolidate data into fewer drives.
Data center storage expansion
Appropriate for expanding data center capacity with an enterprise-level, 25TB, 3.5-inch hard drive in the Exos X26z series.

Frequently asked questions

What is the storage capacity of the Seagate Exos X26z ST25000NM000E?

The Seagate Exos X26z ST25000NM000E provides 25TB of capacity in a single enterprise hard drive. This places it in the 25TB 7.2K RPM host-managed SMR category, allowing organizations to deploy high-capacity storage within standard 3.5-inch large form factor bays designed for enterprise HDDs.

What form factor does the ST25000NM000E use?

The ST25000NM000E uses a 3.5-inch form factor, which aligns with standard large form factor enterprise drive bays. Being part of the 3.5-inch SATA enterprise HDD category means it can be planned for use in enclosures and chassis that are designed to accept 3.5-inch drives.

What type of recording technology is used by this drive?

This drive falls under the host-managed SMR segment, indicated by its category as a 25TB 7.2K RPM host-managed SMR enterprise HDD. Host-managed SMR requires that the storage stack and software are designed to manage shingled magnetic recording behavior at the host level.

Is the ST25000NM000E intended for consumer or enterprise use?

The ST25000NM000E is classified at the enterprise product level. It is positioned within the 3.5-inch SATA enterprise HDD category, making it suitable for professional and data center environments rather than typical consumer desktop or home use scenarios.

To which product family does the ST25000NM000E belong?

This drive belongs to the Seagate Exos X26z family. The model identifier ST25000NM000E and the Exos X26z naming indicate its role within Seagate’s enterprise-focused Exos range, specifically in the 25TB host-managed SMR segment.

Details

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Manufacturer part #

ST25000NM000E

Brand

Seagate

Condition

Refurbished

Model

ST25000NM000E

Series

Exos X26z

Capacity

25TB

Drive Type

Zoned Storage Device; Host-Managed SMR (HM-SMR)

Application

Enterprise datacenter; hyperscale; cloud storage with host-managed zoned storage

Drive Class

Enterprise; Exos X class

Form Factor

3.5-inch

Product Line

Exos Xz

Product Type

Enterprise hard drive

Helium Sealed

Yes

Sector Format

512e; 4Kn fast format

Spindle Speed

7200 RPM

FastFormat Default

512e default configuration

Workload Rate Limit

550 TB/year

PowerBalance Feature

PowerBalance optimizes power-to-performance ratio

Sequential 128K Read (benchmark)

274 MB/s (StorageReview test)

Sequential 128K Write (benchmark)

270 MB/s (StorageReview test)

Sustained Transfer Rate OD

260 MB/s; 248 MiB/s

Random 4K Read IOPS (QD16 WCD)

167 IOPS

Random 4K Read IOPS (benchmark)

2121 IOPS (4T/32Q, StorageReview test)

Random 4K Write IOPS (QD16 WCD)

320 IOPS

Random 4K Write IOPS (benchmark)

2 IOPS total before failing (4T/32Q, StorageReview test)

Mean Time Between Failures (MTBF)

2.5 million hours

Interface

SATA 6Gb/s

Host Interface

SATA 6Gb/s

Power Management Technology

Enterprise power management with PowerBalance

Seagate ST25000NM000E 25TB 3.5in HM-SMR enterprise HDD

Product overview

Featuring

Performance

Networking Ports & Interfaces

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Shop these collections

Seagate ST25000NM000E 25TB 3.5in HM-SMR enterprise HDD

Product overview

Featuring

Performance

Networking Ports & Interfaces

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Shop these collections